Service bulletins for the 2012 Chevrolet Volt
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
1848 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
| PIT3099K | 2017-08-15. Service bulletin. EQUIPMENT. This Preliminary Information communication provides information to the technician about installing General Motors Accessory pats. Technician can check Service Information for some accessories. Technician can also contact Partech for assistance. |
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| PIT5063C | 2017-08-15. Service bulletin. STEERING. This Preliminary Information communication provides information to the technician with a diagnostic tip service steering message or service stability message. Technician may find a Diagnostic Trouble Code C056E Sym 42 and a Diagnostic Trouble Code C0569 Sym 3A setting after a new steering gear assembly was installed. If Diagnostic Trouble Code C0710 Sym 71 is set it must be addressed first before performing a steering gear ?set-up? in Service Programming System. Steering Angle Sensor module Diagnostic Trouble Code C056D Sym 00 and it must be address first. Technician should be advised that Diagnostic Trouble Codes DTC C056E Sym 42 or C0569 Sym 3A will set when a steering gear assembly when is was replaced without Service Programming System programming. |
| PIC5904 | 2017-08-15. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that the OnStar system will not connect. Technician should record module info per the latest version of PIC4310 and contact General Motors Technical Assistance Center. |
| PIP4910C | 2017-08-15. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ENGINE AND ENGINE COOLING. This Preliminary Information communication provides information to the technician about servicing any of the cooling systems on the these vehicles, which includes the High Voltage Battery Assembly, pumps, reservoirs, hoses, air separators, radiators, PIM, engine or heater system it is important to use the proper coolant and water mixture. The Power Electronics / Charging and Battery Cooling systems require a 50/50 mix of GM DEX-COOL® and de-ionized water. |
| PIC5769A | 2017-08-15. Service bulletin. ENGINE; ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on. Technician may find a Diagnostic Trouble Code P0534 set in the Hybrid Powertrain Control Module 2. Technician will need to ensure the vehicle has the proper amount of refrigerant charge. If the vehicles has the proper amount of refrigerant charge tech should update the Hybrid Powertrain Control Module 2 with the latest calibrations in Tis2Web. |
| PIP4844C | 2017-08-15. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication advises the technician that the Accessory DC Power Control Module will be placed on a parts restriction through the General Motors Technical Assistance Center. Dealer will need to contact General Motors Technical Assistance Center for further assistance. |
| PIC5869 | 2017-08-15. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. This Preliminary Information communication provides information to the technician that the compact disc player is unable to pause a song. These vehicles were not built with a pause button. Dealer should communicate to the customer this condition is a normal operating characteristic of their vehicle. |
| PIP5081B | 2017-08-15. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING; SUSPENSION:FRONT:WHEEL BEARING. This Preliminary Information communication provides information to the technician about vehicles that may have whistle, scrape or whine type noise while driving that may be more noticeable during regenerative braking. Technician may find this noise emanating from the left side of the drive unit. The tech may also state that the vehicle has a current or history diagnostic trouble code P0A46. The noise may be caused by the drive motor rotor bearing cage separated. Technician should replace the bearing with the new updated part number. |
| PIT5214 | 2017-08-15. Service bulletin. EQUIPMENT. This Preliminary Information communication provides information to the technician about vehicles that have had multiple repair attempts are being performed on customer?s vehicles that exhibit vibration conditions without utilizing the support of General Motors Technical Assistance Center. If valid vibration frequency or Road Force Variation data has been collected and a repair attempt does not correct the customer complaint, contact General Motors Technical Assistance Center for further support. For any vehicles that remains unrepaired after being at the dealer for three days or more and a related bulletin or PI is not found, contact General Motors Technical Assistance Center for further support. |
| PIP4902G | 2017-08-15. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question. |
| PIC5428E | 2017-08-15. Service bulletin. SERVICE BRAKES; WHEELS; ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that may have the Antilock Braking System, Service Traction Control System, and/or Service Stabilitrak lights are on. The Electronic Brake Control Module may have one or more of the following Diagnostic Trouble Codes C0035-C0050 with specifically symptom 18, 5A, or 0F. Technician will gain access to the correct wheel bear per the Diagnostic Trouble Code that is set. If debris is found on the magnetic encoder ring it will needed to be cleaned. |
| PIP5117 | 2017-08-15. Service bulletin. EQUIPMENT. This Preliminary Information communication provides information to the technician with a service repair tip about using caution during service procedures involving plastic components. Technicians will need to take special precautions when servicing today?s engines to avoid damage to these components. |
| PIC5856 | 2017-08-15. Service bulletin. ELECTRICAL SYSTEM; ENGINE. This Preliminary Information communication provides information to the technician about vehicles that have Check Engine Lamp. Technician may find Diagnostic Trouble Code P0C58 and P0C62. Technician will need to replace the Motor B Position Sensor for this concern. |
| PIP4840J | 2017-08-15. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN. This Preliminary Information communication advises the technician that 4ET50 electric variable automatic transmission assembly and component will be placed on a parts restriction through the General Motors Technical Assistance Center. Dealer will need to contact General Motors Technical Assistance Center for further assistance. |
| PIT4720C | 2017-08-15. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. This Preliminary Information communication provides information to the technician that after replacing the Instrument Panel Cluster the exchange center is unable to program the actual mileage on the odometer or the actual mileage is unknown. Dealer will need to follow dealer to the General Motors service policies and procedures manual section 3.2.4 odometer servicing. |
| PIC5803C | 2017-08-15. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This Preliminary Information communication provides information to the technician about vehicles that the vehicle did not fully complete a charge or that charging was interrupted. Technicians may find Diagnostic Trouble Codes P1E00 set in the Engine Control Module and P0D3E or P0D3F set in the Hybrid Powertrain Control Module. Technician will need to update the Battery Charger Control Module to address this concern. |
| PIC5322C | 2017-08-15. Service bulletin. SEATS; ELECTRICAL SYSTEM. This Preliminary Information communication advises the technician of a customer concern where the heated seat indicator light is not functioning or the heated seats are not up to operating temperature during a remote vehicle start event. This is normal operation of the heated seat during a remote vehicle start event. The electronic climate control module is not in a complete wake up state during a remote vehicle start mode and will not enable the light emitting diode. After a cold soak below 32 degrees Fahrenheit the seat will not get hot in the 10 minutes or less of the remote vehicle start mode. This is due to the fact that the heat element is not in direct contract with the seat surface while the seat is unoccupied and the foam below the heater is full cold insulating air which takes time to heat up. Technician is to communicate to the customer this condition is a normal operating characteristic of their vehicle. It will not impact the designed performance or reliability of the vehicle. Please share this information with the customer, including a copy of this message. |
| PIC4788E | 2017-08-15. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. This Preliminary Information communication provides information to the technician of diagnostic instructions to take when the key will not fold into the fob or will not stay in the folded position. The technician may comment that the key in the fob will not fold close or stay latched closed. Damage to the folding mechanism could result from storing the key in the door lock cylinder and accidently bumping or making contact with the key fob. Please advise all dealer personnel to refrain from storing the key in the door lock even for brief periods. |
| PIC4707D | 2017-08-15. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). This Preliminary Information communication provides information to the technician about vehicles that have at times the XM Traffic or Weather for the local area takes several minutes to update and may read "NO DATA" or "UPDATING" during that time. Technician should be advised that Traffic and Weather data from local reporting stations and then send the updated info process may take up to 24 minutes. Technician should test for full operation of the XM band if the system has not started receiving the Traffic and weather update within 30 minutes. Also ensure the customer has not shut XM NavTraffic off in the user settings of the navigation radio. Technician will need to contact XM customer assistance to review the account status and verify that the XM Traffic option has been enabled and is available in the area. |
| PIP5081A | 2017-08-15. Service bulletin. SERVICE BRAKES; POWER TRAIN:AXLE ASSEMBLY. This Preliminary Information communication provides information to the technician about vehicles that may have whistle, scrape or whine type noise while driving that may be more noticeable during regenerative braking. Technician may find this noise emanating from the left side of the drive unit. The tech may also state that the vehicle has a current or history diagnostic trouble code P0A46. The noise may be caused by the drive motor B rotor bearing cage separated. Technician should replace the bearing with the new updated part number. Technician should also inspect the end cover for any abnormal bushing wear, if found the side cover will also require replacement. |
| PIP4880C | 2017-08-15. Service bulletin. ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY; HYBRID PROPULSION SYSTEM: INVERTER; ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician with the steps to diagnose and repair vehicles with a Malfunction Indicator Lamp on. Technician may find a Diagnostic Trouble Code P0335 and or P0336 stored in the Power inverter module. Technician will need to inspect G106 and G113 if the ground eyelet is not tight replacing the bolt with a shorter bolt. If either of the Diagnostic Trouble Codes P0335 or P0336 are stored in both the Engine Control Module and the Power inverter module or the codes are current, please follow published Service Information diagnostics. |
| PIC5412B | 2017-08-15. Service bulletin. BACK OVER PREVENTION: REARVIEW SYSTEM BRAKING. This Preliminary Information communication provides information to the technician about vehicles that may have a high-pitched whine noise during braking or accelerating. Technician will need to inspect the load floor, in the rear of the vehicle, for being properly secured. If the load floor is not fully seated check the cargo tray under the floor and insure everything is stowed in its own spot. An improperly stowed 120v charge cord set, cargo in the lower tray that can pop the load floor up, and damage to the load floor that causes the floor not to clip into place. |
| PIC5491B | 2017-08-15. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that have an OnStar system that will not power up. Technician should turn off the ignition and cancel retained accessory power. After the vehicle has powered down, remove power to the OnStar module for five minutes. After the power has been removed for five minutes, if the OnStar system is working release the vehicle. If the OnStar system is still inoperative continue with published Service Information diagnostics. |
| PIT4945E | 2017-08-15. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This Preliminary Information communication provides information to the technician being unable to program fobs to the vehicle. Technician will need to ensure the key FOB is a new unit and has not been programmed to another vehicle previously. |
| PIC5428D | 2017-08-15. Service bulletin. SERVICE BRAKES; ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that may have the Antilock Braking System, Service Traction Control System, and/or Service Stabilitrak lights are on. The Electronic Brake Control Module may have one or more of the following Diagnostic Trouble Codes C0035-C0050 with specifically symptom 18, 5A, or 0F. Technician will gain access to the correct wheel bear per the Diagnostic Trouble Code that is set. If debris is found on the magnetic encoder ring it will needed to be cleaned. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.